# lib/trove
# Functions to control the configuration and operation of the **Trove** service

# Dependencies:
# ``functions`` file
# ``DEST``, ``STACK_USER`` must be defined
# ``SERVICE_{HOST|PROTOCOL|TOKEN}`` must be defined

# ``stack.sh`` calls the entry points in this order:
#
# install_trove
# configure_trove
# init_trove
# start_trove
# stop_trove
# cleanup_trove

# Save trace setting
XTRACE=$(set +o | grep xtrace)
set +o xtrace

# Defaults
# --------

NETWORK_GATEWAY=${NETWORK_GATEWAY:-10.0.0.1}

# Set up default configuration
TROVE_DIR=$DEST/trove
TROVECLIENT_DIR=$DEST/python-troveclient
TROVE_CONF_DIR=/etc/trove
TROVE_LOCAL_CONF_DIR=$TROVE_DIR/etc/trove
TROVE_AUTH_CACHE_DIR=${TROVE_AUTH_CACHE_DIR:-/var/cache/trove}

# Support entry points installation of console scripts
if [[ -d $TROVE_DIR/bin ]]; then
    TROVE_BIN_DIR=$TROVE_DIR/bin
else
    TROVE_BIN_DIR=$(get_python_exec_prefix)
fi

# setup_trove_logging() - Adds logging configuration to conf files
function setup_trove_logging() {
    local CONF=$1
    iniset $CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
    iniset $CONF DEFAULT use_syslog $SYSLOG
    if [ "$LOG_COLOR" == "True" ] && [ "$SYSLOG" == "False" ]; then
        # Add color to logging output
        setup_colorized_logging $CONF DEFAULT tenant user
    fi
}

# create_trove_accounts() - Set up common required trove accounts

# Tenant               User       Roles
# ------------------------------------------------------------------
# service              trove     admin        # if enabled

create_trove_accounts() {
    # Trove
    SERVICE_TENANT=$(keystone tenant-list | awk "/ $SERVICE_TENANT_NAME / { print \$2 }")
    SERVICE_ROLE=$(keystone role-list | awk "/ admin / { print \$2 }")

    if [[ "$ENABLED_SERVICES" =~ "trove" ]]; then
        TROVE_USER=$(keystone user-create \
            --name=trove \
            --pass="$SERVICE_PASSWORD" \
            --tenant_id $SERVICE_TENANT \
            --email=trove@example.com \
            | grep " id " | get_field 2)
        keystone user-role-add --tenant-id $SERVICE_TENANT \
            --user-id $TROVE_USER \
            --role-id $SERVICE_ROLE
        if [[ "$KEYSTONE_CATALOG_BACKEND" = 'sql' ]]; then
            TROVE_SERVICE=$(keystone service-create \
                --name=trove \
                --type=database \
                --description="Trove Service" \
                | grep " id " | get_field 2)
            keystone endpoint-create \
                --region RegionOne \
                --service_id $TROVE_SERVICE \
                --publicurl "http://$SERVICE_HOST:8779/v1.0/\$(tenant_id)s" \
                --adminurl "http://$SERVICE_HOST:8779/v1.0/\$(tenant_id)s" \
                --internalurl "http://$SERVICE_HOST:8779/v1.0/\$(tenant_id)s"
        fi
    fi
}

# stack.sh entry points
# ---------------------

# cleanup_trove() - Remove residual data files, anything left over from previous
# runs that a clean run would need to clean up
function cleanup_trove() {
    #Clean up dirs
    rm -fr $TROVE_AUTH_CACHE_DIR/*
    rm -fr $TROVE_CONF_DIR/*
}

# configure_troveclient() - Set config files, create data dirs, etc
function configure_troveclient() {
    setup_develop $TROVECLIENT_DIR
}

# configure_trove() - Set config files, create data dirs, etc
function configure_trove() {
    setup_develop $TROVE_DIR

    # Create the trove conf dir and cache dirs if they don't exist
    sudo mkdir -p ${TROVE_CONF_DIR}
    sudo mkdir -p ${TROVE_AUTH_CACHE_DIR}
    sudo chown -R $STACK_USER: ${TROVE_CONF_DIR}
    sudo chown -R $STACK_USER: ${TROVE_AUTH_CACHE_DIR}

    # Copy api-paste file over to the trove conf dir and configure it
    cp $TROVE_LOCAL_CONF_DIR/api-paste.ini $TROVE_CONF_DIR/api-paste.ini
    TROVE_API_PASTE_INI=$TROVE_CONF_DIR/api-paste.ini
    iniset $TROVE_API_PASTE_INI filter:tokenauth auth_host $KEYSTONE_AUTH_HOST
    iniset $TROVE_API_PASTE_INI filter:tokenauth auth_port $KEYSTONE_AUTH_PORT
    iniset $TROVE_API_PASTE_INI filter:tokenauth auth_protocol $KEYSTONE_AUTH_PROTOCOL
    iniset $TROVE_API_PASTE_INI filter:tokenauth cafile $KEYSTONE_SSL_CA
    iniset $TROVE_API_PASTE_INI filter:tokenauth admin_tenant_name $SERVICE_TENANT_NAME
    iniset $TROVE_API_PASTE_INI filter:tokenauth admin_user trove
    iniset $TROVE_API_PASTE_INI filter:tokenauth admin_password $SERVICE_PASSWORD
    iniset $TROVE_API_PASTE_INI filter:tokenauth signing_dir $TROVE_AUTH_CACHE_DIR

    # (Re)create trove conf files
    rm -f $TROVE_CONF_DIR/trove.conf
    rm -f $TROVE_CONF_DIR/trove-taskmanager.conf
    rm -f $TROVE_CONF_DIR/trove-conductor.conf

    iniset $TROVE_CONF_DIR/trove.conf DEFAULT rabbit_password $RABBIT_PASSWORD
    iniset $TROVE_CONF_DIR/trove.conf DEFAULT sql_connection `database_connection_url trove`
    iniset $TROVE_CONF_DIR/trove.conf DEFAULT add_addresses True

    iniset $TROVE_LOCAL_CONF_DIR/trove-guestagent.conf.sample DEFAULT rabbit_password $RABBIT_PASSWORD
    iniset $TROVE_LOCAL_CONF_DIR/trove-guestagent.conf.sample DEFAULT sql_connection `database_connection_url trove`
    iniset $TROVE_LOCAL_CONF_DIR/trove-guestagent.conf.sample DEFAULT control_exchange trove
    sed -i "s/localhost/$NETWORK_GATEWAY/g" $TROVE_LOCAL_CONF_DIR/trove-guestagent.conf.sample

    setup_trove_logging $TROVE_CONF_DIR/trove.conf
    setup_trove_logging $TROVE_LOCAL_CONF_DIR/trove-guestagent.conf.sample

    # (Re)create trove taskmanager conf file if needed
    if is_service_enabled tr-tmgr; then
        TROVE_AUTH_ENDPOINT=$KEYSTONE_AUTH_PROTOCOL://$KEYSTONE_AUTH_HOST:$KEYSTONE_AUTH_PORT//v$IDENTITY_API_VERSION

        iniset $TROVE_CONF_DIR/trove-taskmanager.conf DEFAULT rabbit_password $RABBIT_PASSWORD
        iniset $TROVE_CONF_DIR/trove-taskmanager.conf DEFAULT sql_connection `database_connection_url trove`
        iniset $TROVE_CONF_DIR/trove-taskmanager.conf DEFAULT taskmanager_manager trove.taskmanager.manager.Manager
        iniset $TROVE_CONF_DIR/trove-taskmanager.conf DEFAULT nova_proxy_admin_user radmin
        iniset $TROVE_CONF_DIR/trove-taskmanager.conf DEFAULT nova_proxy_admin_tenant_name trove
        iniset $TROVE_CONF_DIR/trove-taskmanager.conf DEFAULT nova_proxy_admin_pass $RADMIN_USER_PASS
        iniset $TROVE_CONF_DIR/trove-taskmanager.conf DEFAULT trove_auth_url $TROVE_AUTH_ENDPOINT
        setup_trove_logging $TROVE_CONF_DIR/trove-taskmanager.conf
    fi

    # (Re)create trove conductor conf file if needed
    if is_service_enabled tr-cond; then
        iniset $TROVE_CONF_DIR/trove-conductor.conf DEFAULT rabbit_password $RABBIT_PASSWORD
        iniset $TROVE_CONF_DIR/trove-conductor.conf DEFAULT sql_connection `database_connection_url trove`
        iniset $TROVE_CONF_DIR/trove-conductor.conf DEFAULT nova_proxy_admin_user radmin
        iniset $TROVE_CONF_DIR/trove-conductor.conf DEFAULT nova_proxy_admin_tenant_name trove
        iniset $TROVE_CONF_DIR/trove-conductor.conf DEFAULT nova_proxy_admin_pass $RADMIN_USER_PASS
        iniset $TROVE_CONF_DIR/trove-conductor.conf DEFAULT trove_auth_url $TROVE_AUTH_ENDPOINT
        iniset $TROVE_CONF_DIR/trove-conductor.conf DEFAULT control_exchange trove
        setup_trove_logging $TROVE_CONF_DIR/trove-conductor.conf
    fi
}

# install_troveclient() - Collect source and prepare
function install_troveclient() {
    git_clone $TROVECLIENT_REPO $TROVECLIENT_DIR $TROVECLIENT_BRANCH
}

# install_trove() - Collect source and prepare
function install_trove() {
    git_clone $TROVE_REPO $TROVE_DIR $TROVE_BRANCH
}

# init_trove() - Initializes Trove Database as a Service
function init_trove() {
    #(Re)Create trove db
    recreate_database trove utf8

    #Initialize the trove database
    $TROVE_BIN_DIR/trove-manage db_sync
}

# start_trove() - Start running processes, including screen
function start_trove() {
    screen_it tr-api "cd $TROVE_DIR; $TROVE_BIN_DIR/trove-api --config-file=$TROVE_CONF_DIR/trove.conf --debug 2>&1"
    screen_it tr-tmgr "cd $TROVE_DIR; $TROVE_BIN_DIR/trove-taskmanager --config-file=$TROVE_CONF_DIR/trove-taskmanager.conf --debug 2>&1"
    screen_it tr-cond "cd $TROVE_DIR; $TROVE_BIN_DIR/trove-conductor --config-file=$TROVE_CONF_DIR/trove-conductor.conf --debug 2>&1"
}

# stop_trove() - Stop running processes
function stop_trove() {
    # Kill the trove screen windows
    for serv in tr-api tr-tmgr tr-cond; do
        screen -S $SCREEN_NAME -p $serv -X kill
    done
}

# Restore xtrace
$XTRACE

# Tell emacs to use shell-script-mode
## Local variables:
## mode: shell-script
## End: